User manual

ATHENA CPU User Manual V1.40 Page 7
Data Acquisition Subsystem
Analog Input
♦ 16 single-ended / 8 differential inputs, 16-bit resolution
♦ 100KHz maximum aggregate A/D sampling rate
♦ Programmable input ranges/gains with maximum range of ±10V / 0-10V
♦ Both bipolar and unipolar input ranges
♦ 10 ppm/
o
C drift accuracy
♦ Internal and external A/D triggering
♦ 48-sample FIFO for reliable high-speed sampling and scan operation
Analog Output
♦ 4 analog outputs, 12-bit resolution
♦ ±10V and 0-10V output ranges
♦ ±5V and 0-5V output range (optional)
Digital I/O
♦ 24 programmable digital I/O, 3.3V and 5V logic compatible
♦ Enhanced output current capability: –8/+12mA max
Counter/Timers
♦ 1 24-bit counter/timer for A/D sampling rate control
♦ 1 16-bit counter/timer for user counting and timing functions
♦ Programmable gate and count enable
♦ Internal and external clocking capability